213030142 has 16 divisors (see below), whose sum is σ = 344423520. Its totient is φ = 98236512.

The previous prime is 213030121. The next prime is 213030151. The reversal of 213030142 is 241030312.

It is a happy number.

It is a super-3 number, since 3×213030142³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34959 + ... + 40597.

It is an arithmetic number, because the mean of its divisors is an integer number (21526470).

Almost surely, 2^213030142 is an apocalyptic number.

213030142 is a deficient number, since it is larger than the sum of its proper divisors (131393378).

213030142 is a wasteful number, since it uses less digits than its factorization.

213030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 213030142 is about 14595.5521307006. The cubic root of 213030142 is about 597.2374313606.

Adding to 213030142 its reverse (241030312), we get a palindrome (454060454).

The spelling of 213030142 in words is "two hundred thirteen million, thirty thousand, one hundred forty-two".